| 1. | smoke or other atmospheric pollutants combined with fog in an unhealthy or irritating mixture. |
| 2. | photochemical smog. |
| 3. | to cover or envelop with or as if with smog. |
| air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, esp. those in automobile exhaust. |
photochemical smog n.
Air pollution produced by the action of sunlight on hydrocarbons, nitrogen oxides, and other pollutants.
smog (smŏg)
n.
Fog that has become mixed and polluted with smoke.
A form of air pollution produced when sunlight causes hydrocarbons and nitrogen oxides from automotive emissions to combine in a photochemical reaction.
| photochemical smog (fō'tō-kěm'ĭ-kəl) Pronunciation Key
See smog. |
smog (smŏg) Pronunciation Key
|
| smog smoke and fog |